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B390 is an Aluminium alloy with high hardness and good wear resistance. This alloy is suitable for many applications including internal combustion engine pistons and cylinder bodies for compressors and brakes.
Mechanical Properties
Material
Alloy
Tensile Strength
Elongation
Hardness
Impact Strength
Young's Modulus
Yield Strength (0.2%)
Fatigue Strength
Creep Limit
Process
MPa
% in 50mm
Brinell (HB)
J
Gpa
MPa
Mpa
Mpa
Aluminium
317
1
120
-
-
250
-
-
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Physical Properties
Material
Alloy
Density
Melting Point (Average +/- 50)
Coefficient of Thermal Expansion
Thermal Conductivity
Electrical Conductivity
Process
g/cm3
°C
µm/m°K
W / m K
% IACS
Aluminium
2.71
580
18.0
134
27.0
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Composition
Aluminium
%
B390
Aluminum
Bal.
Copper
4.0-5.0
Magnesium
0.45-0.65
Iron (max)
1.3
Lead (max)
Cadmium (max)
Tin (max)
Nickel (max)
0.1
Zinc
1.5
Manganese
0.5
Silicon
16.0-18.0
Other-Metallic
0.2
Titanium
-
Chromium
-
RoHS Compliant
✓
